RX-1 released in 2003 was the first performance-oriented four-stroke snowmobile to ever hit the market Yamaha was the first brand to win with a 4-stroke in a ...
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RX-1 released in 2003 was the first performance-oriented four-stroke snowmobile to ever hit the market Yamaha was the first brand to win with a 4-stroke in a professional snowcross race
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